package com.nowcoder.community.utils;/**
 * 功能描述
 *
 * @author 21775
 * @date 2022/09/15  22:10
 */

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;

/**
 *@ClassName CookieUtil
 *@Description TODO Cookie
 *@Author 21775
 *@Date 2022/9/15 22:10
 *@Version 1.0
 */
public class CookieUtil {
    public static String getValue(HttpServletRequest request,String name){
        if(request==null||name==null){
            throw new IllegalArgumentException("参数为空");
        }

        Cookie[] cookies = request.getCookies();
        if (cookies != null) {
            for (Cookie cookie : cookies) {
                if (cookie.getName().equals(name)) {
                    return cookie.getValue();
                }
            }
        }

        return null;
    }
}
